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From: David Howells <dhowells@redhat.com>
To: linux-cachefs@redhat.com
Cc: dhowells@redhat.com, Anna Schumaker <anna.schumaker@netapp.com>,
	Steve French <sfrench@samba.org>,
	Dominique Martinet <asmadeus@codewreck.org>,
	Jeff Layton <jlayton@redhat.com>,
	David Wysochanski <dwysocha@redhat.com>,
	linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org,
	linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org,
	v9fs-developer@lists.sourceforge.net,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 02/12] netfs: Move cookie debug ID to struct netfs_cache_resources
Date: Mon, 21 Jun 2021 22:45:07 +0100	[thread overview]
Message-ID: <162431190784.2908479.13386972676539789127.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <162431188431.2908479.14031376932042135080.stgit@warthog.procyon.org.uk>

Move the cookie debug ID from struct netfs_read_request to struct
netfs_cache_resources and drop the 'cookie_' prefix.  This makes it
available for things that want to use netfs_cache_resources without having
a netfs_read_request.

Signed-off-by: David Howells <dhowells@redhat.com>
---

 fs/cachefiles/io.c           |    2 +-
 include/linux/netfs.h        |    2 +-
 include/trace/events/netfs.h |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/cachefiles/io.c b/fs/cachefiles/io.c
index b13fb45fc3f3..ca68bb97ca00 100644
--- a/fs/cachefiles/io.c
+++ b/fs/cachefiles/io.c
@@ -410,7 +410,7 @@ int cachefiles_begin_read_operation(struct netfs_read_request *rreq,
 	rreq->cache_resources.cache_priv = op;
 	rreq->cache_resources.cache_priv2 = file;
 	rreq->cache_resources.ops = &cachefiles_netfs_cache_ops;
-	rreq->cookie_debug_id = object->fscache.debug_id;
+	rreq->cache_resources.debug_id = object->fscache.debug_id;
 	_leave("");
 	return 0;
 
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 9062adfa2fb9..5d6a4158a9a6 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -102,6 +102,7 @@ struct netfs_cache_resources {
 	const struct netfs_cache_ops	*ops;
 	void				*cache_priv;
 	void				*cache_priv2;
+	unsigned int			debug_id;	/* Cookie debug ID */
 };
 
 /*
@@ -137,7 +138,6 @@ struct netfs_read_request {
 	struct list_head	subrequests;	/* Requests to fetch I/O from disk or net */
 	void			*netfs_priv;	/* Private data for the netfs */
 	unsigned int		debug_id;
-	unsigned int		cookie_debug_id;
 	atomic_t		nr_rd_ops;	/* Number of read ops in progress */
 	atomic_t		nr_wr_ops;	/* Number of write ops in progress */
 	size_t			submitted;	/* Amount submitted for I/O so far */
diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h
index de1c64635e42..4d470bffd9f1 100644
--- a/include/trace/events/netfs.h
+++ b/include/trace/events/netfs.h
@@ -139,7 +139,7 @@ TRACE_EVENT(netfs_read,
 
 	    TP_fast_assign(
 		    __entry->rreq	= rreq->debug_id;
-		    __entry->cookie	= rreq->cookie_debug_id;
+		    __entry->cookie	= rreq->cache_resources.debug_id;
 		    __entry->start	= start;
 		    __entry->len	= len;
 		    __entry->what	= what;



  parent reply	other threads:[~2021-06-21 21:45 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21 21:44 [PATCH 00/12] fscache: Some prep work for fscache rewrite David Howells
2021-06-21 21:44 ` [PATCH 01/12] fscache: Select netfs stats if fscache stats are enabled David Howells
2021-06-21 21:45 ` David Howells [this message]
2021-06-21 21:45 ` [PATCH 03/12] cachefiles: Use file_inode() rather than accessing ->f_inode David Howells
2021-06-21 21:45 ` [PATCH 04/12] fscache: Add a cookie debug ID and use that in traces David Howells
2021-06-21 21:45 ` [PATCH 05/12] fscache: Procfile to display cookies David Howells
2021-06-21 21:45 ` [PATCH 06/12] fscache, cachefiles: Remove the histogram stuff David Howells
2021-06-21 21:46 ` [PATCH 07/12] fscache: Remove the object list procfile David Howells
2021-06-21 21:46 ` [PATCH 08/12] fscache: Change %p in format strings to something else David Howells
2021-06-21 21:46 ` [PATCH 09/12] cachefiles: " David Howells
2021-06-21 21:46 ` [PATCH 10/12] fscache: Fix cookie key hashing David Howells
2021-08-24 16:11   ` Jeff Layton
2021-08-25 14:04   ` David Howells
2021-06-21 21:47 ` [PATCH 11/12] fscache: Fix fscache_cookie_put() to not deref after dec David Howells
2021-08-24 14:24   ` Jeff Layton
2021-08-25 14:05   ` David Howells
2021-06-21 21:47 ` [PATCH 12/12] fscache: Use refcount_t for the cookie refcount instead of atomic_t David Howells
2021-08-24 14:25 ` [PATCH 00/12] fscache: Some prep work for fscache rewrite Jeff Layton
2021-08-27 12:31 ` [PATCH v2 04/12] fscache: Add a cookie debug ID and use that in traces David Howells
2021-08-27 12:49   ` [Linux-cachefs] " Marc Dionne

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